#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>

int main()
{
	char arr[20][20];
	int i = 0;
	int n = 0;
	while (scanf("%d", &n) != EOF);
	for (i = 0; i < n; i++)
	{
		int j = 0;
		for (j = 0; j < n; j++)
		{
			if (i == j || (n - 1 - i) == j)
				arr[i][j] = '*';
			else
				arr[i][j] = ' ';
		}
	}
	for (i = 0; i < n; i++)
	{
		int j = 0;
		for (j = 0; j < n; j++)
		{
			printf("%c", arr[i][j]);
		}
		printf("\n");
	}
	return 0;
}
